We went on our first two cruises in September because of our wedding anniversary being on the 13th. But we missed out on Half Moon Cay the first time, and the second we hit some pretty bad weather and had to cut our stay at Grand Cayman in half to outrun it. Man did I get seasick that night! The bed seemed to be rolling side to side, along with my stomach! We did Eastern first, then Western second. I have to agree with most that Eastern was nicer. I would hate for you to miss out on Half Moon Cay. That is such a nice way to spend a day! If you sail Western Caribbean out of Tampa, you don't get to go to Half Moon Cay.